:root {
  --bg-primary: #0d1117;
  --bg-secondary: #161b22;
  --bg-card: #1c2128;
  --border: #30363d;
  --text-primary: #e6edf3;
  --text-secondary: #8b949e;
  --accent: #58a6ff;
  --green: #3fb950;
  --red: #f85149;
  --yellow: #d29922;
  --v1-color: #58a6ff;
  --v2-color: #d2a8ff;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Helvetica, Arial, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.5;
}
.header {
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
  padding: 12px 24px;
  display: flex;
  align-items: center;
  gap: 16px;
}
.header h1 { font-size: 18px; font-weight: 600; }
.header .status { font-size: 12px; color: var(--text-secondary); }
.trading-mode-badge {
  font-size: 11px;
  font-weight: 600;
  padding: 2px 10px;
  border-radius: 12px;
  letter-spacing: 0.3px;
}
.trading-mode-badge.paper {
  background: rgba(210, 153, 34, 0.15);
  color: var(--yellow);
  border: 1px solid rgba(210, 153, 34, 0.4);
}
.trading-mode-badge.real {
  background: rgba(248, 81, 73, 0.15);
  color: var(--red);
  border: 1px solid rgba(248, 81, 73, 0.4);
}
/* Real 전략 뱃지 테두리: 운영중 = 깜빡임, 비활성 = 고정 */
.strategy-badge.real-active {
  border: 1.5px solid var(--red);
  animation: border-blink 1.2s ease-in-out infinite;
}
.strategy-badge.real-inactive {
  border: 1.5px solid var(--red);
}
@keyframes border-blink {
  0%, 100% { border-color: var(--red); box-shadow: 0 0 6px rgba(248,81,73,0.4); }
  50% { border-color: rgba(248,81,73,0.2); box-shadow: none; }
}
.initial-bal { display: block; font-size: 10px; color: var(--text-secondary); margin-top: 1px; }
nav {
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
  padding: 0 24px;
  display: flex;
  gap: 0;
}
nav button {
  background: none;
  border: none;
  color: var(--text-secondary);
  padding: 10px 16px;
  cursor: pointer;
  font-size: 14px;
  border-bottom: 2px solid transparent;
  transition: all 0.2s;
}
nav button:hover { color: var(--text-primary); }
nav button.active {
  color: var(--text-primary);
  border-bottom-color: var(--accent);
}
.container { padding: 24px; max-width: 1400px; margin: 0 auto; }
.tab { display: none; }
.tab.active { display: block; }
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 16px;
}
.card .label { font-size: 12px; color: var(--text-secondary); margin-bottom: 4px; }
.card .value { font-size: 24px; font-weight: 600; }
.card .value.positive { color: var(--green); }
.card .value.negative { color: var(--red); }
table {
  width: 100%;
  border-collapse: collapse;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
}
th, td { padding: 10px 14px; text-align: left; border-bottom: 1px solid var(--border); }
th { background: var(--bg-secondary); font-size: 12px; color: var(--text-secondary); text-transform: uppercase; }
td { font-size: 13px; }
.chart-container {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 16px;
  margin-bottom: 24px;
  width: 100%;
  overflow: hidden;
}
/* Plotly charts: fill parent minus padding */
.chart-container .js-plotly-plot,
.chart-container .plotly {
  width: 100% !important;
}
.table-scroll-wrapper {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  margin-bottom: 24px;
}
.table-scroll-wrapper table {
  min-width: 700px;
}
.form-group { margin-bottom: 16px; }
.form-group label {
  display: block;
  font-size: 12px;
  color: var(--text-secondary);
  margin-bottom: 4px;
}
.form-group input, .form-group select {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  color: var(--text-primary);
  padding: 8px 12px;
  border-radius: 6px;
  font-size: 14px;
  width: 200px;
}
.btn {
  background: var(--accent);
  color: #fff;
  border: none;
  padding: 8px 20px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 14px;
  font-weight: 500;
}
.btn:hover { opacity: 0.9; }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }
.section-title { font-size: 16px; font-weight: 600; margin-bottom: 12px; }
.section-sub-title {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 8px;
}
.currency-badge {
  font-size: 10px;
  font-weight: 700;
  padding: 2px 6px;
  border-radius: 4px;
  letter-spacing: 0.3px;
}
.currency-badge.usdt { background: rgba(240,136,62,0.15); color: #f0883e; border: 1px solid rgba(240,136,62,0.3); }
.currency-badge.krw  { background: rgba(88,166,255,0.13); color: #58a6ff; border: 1px solid rgba(88,166,255,0.25); }
.metrics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 12px;
  margin-bottom: 24px;
}
.empty-state {
  text-align: center;
  padding: 48px;
  color: var(--text-secondary);
}
select { appearance: auto; }

/* Ranking & Comparison Styles */
.ranking-table td:first-child {
  font-size: 18px;
  font-weight: 700;
  text-align: center;
  width: 50px;
}
.rank-1 { color: var(--green); }
.rank-2 { color: var(--v2-color); }
.rank-3 { color: var(--text-secondary); }
.strategy-badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 12px;
  font-size: 11px;
  font-weight: 600;
}
.ranking-table .strategy-badge {
  max-width: 140px;
  word-break: break-all;
  white-space: normal;
  line-height: 1.4;
}
.badge-v1 { background: rgba(88,166,255,0.15); color: var(--v1-color); }
.badge-v2 { background: rgba(210,168,255,0.15); color: var(--v2-color); }
.badge-v3 { background: rgba(63,185,80,0.15); color: var(--green); }
.badge-v4 { background: rgba(210,153,34,0.15); color: var(--yellow); }
.return-pill {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 12px;
  font-weight: 700;
}
.return-pill.positive { background: rgba(63,185,80,0.15); color: var(--green); }
.return-pill.negative { background: rgba(248,81,73,0.15); color: var(--red); }
/* 상태 표시 (초록/빨간 점) */
.status-dot {
  display: inline-block; width: 8px; height: 8px; border-radius: 50%;
  margin-right: 4px; vertical-align: middle;
}
.status-dot.on { background: var(--green); box-shadow: 0 0 4px var(--green); }
.status-dot.off { background: var(--red); opacity: .6; }
.status-label { font-size: 11px; color: var(--text-secondary); vertical-align: middle; }
/* 시그널 건강도 인디케이터 */
.signal-health-dot {
  display: inline-block; border-radius: 50%; vertical-align: middle;
  animation: signal-blink 1.6s ease-in-out infinite;
}
.signal-health-dot.green  { background: #4caf50; box-shadow: 0 0 5px #4caf50; }
.signal-health-dot.blue   { background: #2f81f7; box-shadow: 0 0 5px #2f81f7; }
.signal-health-dot.orange { background: #ff9800; box-shadow: 0 0 5px #ff9800; }
@keyframes signal-blink {
  0%, 100% { opacity: 1;   transform: scale(1); }
  50%       { opacity: 0.25; transform: scale(0.8); }
}
.signal-health-wrap { display: inline-flex; align-items: center; justify-content: center; min-width: 28px; }
.signal-health-reason { font-size: 10px; color: var(--text-secondary); margin-left: 4px; white-space: nowrap; }
/* 토글 스위치 */
.toggle-switch {
  position: relative; display: inline-block; width: 36px; height: 20px; vertical-align: middle;
}
.toggle-switch input { opacity: 0; width: 0; height: 0; }
.toggle-slider {
  position: absolute; cursor: pointer; inset: 0;
  background: #484f58; border-radius: 20px; transition: .3s;
}
.toggle-slider:before {
  content: ""; position: absolute; width: 14px; height: 14px;
  left: 3px; bottom: 3px; background: #c9d1d9; border-radius: 50%; transition: .3s;
}
.toggle-switch input:checked + .toggle-slider { background: var(--green); }
.toggle-switch input:checked + .toggle-slider:before { transform: translateX(16px); }
.toggle-switch input:disabled + .toggle-slider { opacity: .4; cursor: not-allowed; }
.trades-section {
  border-left: 3px solid var(--border);
  padding-left: 16px;
  margin-bottom: 24px;
}
.accordion-header {
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 4px 0;
  user-select: none;
  margin-bottom: 0;
}
.accordion-header:hover { opacity: 0.75; }
.accordion-chevron {
  margin-left: auto;
  font-size: 11px;
  color: var(--text-secondary);
  transition: transform 0.2s;
  flex-shrink: 0;
}
.accordion-body {
  display: none;
  margin-top: 8px;
}
.accordion-body.open {
  display: block;
}

/* ─── Overview accordion (strategy row → inline positions) ─── */
.strategy-row { cursor: pointer; transition: background 0.15s; }
.strategy-row:hover { background: rgba(88,166,255,0.04); }
.strategy-row.expanded { background: rgba(88,166,255,0.06); }
.strategy-row .expand-icon {
  display: inline-block; font-size: 10px; color: var(--text-secondary);
  transition: transform 0.2s; width: 12px; text-align: center;
}
.strategy-row.expanded .expand-icon { transform: rotate(90deg); }
.position-detail-row td { padding: 0 !important; border-bottom: 1px solid var(--border); }
.position-detail-content {
  overflow: hidden; max-height: 0;
  transition: max-height 0.3s ease, padding 0.3s ease;
  background: var(--bg-secondary); padding: 0 20px;
}
.position-detail-content.open { max-height: 600px; padding: 14px 20px; }
.pos-inline-table {
  width: 100%; border-collapse: collapse;
  background: transparent; border: none; margin: 0;
}
.pos-inline-table th {
  background: transparent; font-size: 11px; color: var(--text-secondary);
  text-transform: uppercase; padding: 4px 10px; border-bottom: 1px solid var(--border);
}
.pos-inline-table td {
  font-size: 12px; padding: 8px 10px; border-bottom: 1px solid rgba(48,54,61,0.5);
}
.pos-inline-table tr:last-child td { border-bottom: none; }
.pos-empty { text-align: center; color: var(--text-secondary); font-size: 12px; padding: 16px 0; }

/* Mobile: overview accordion position cards */
.m-card .m-pos-accordion { display: none; margin-top: 8px; }
.m-card .m-pos-accordion.open { display: block; }
.m-card .m-pos-accordion .m-pos-card {
  background: var(--bg-secondary); border-radius: 6px; padding: 8px 10px; margin-top: 6px;
}

.trades-section.border-v1 { border-color: var(--v1-color); }
.trades-section.border-v2 { border-color: var(--v2-color); }
.trades-section.border-v3 { border-color: var(--green); }
.trades-section.border-v4 { border-color: var(--yellow); }
.scrollable-table {
  max-height: 400px;
  overflow-y: auto;
  border: 1px solid var(--border);
  border-radius: 6px;
}
.scroll-loading {
  text-align: center;
  padding: 12px;
  color: var(--text-secondary);
  font-size: 13px;
}
.scroll-end {
  text-align: center;
  padding: 8px;
  color: var(--text-secondary);
  font-size: 12px;
  opacity: 0.6;
}
.scrollable-table table { margin: 0; border: none; overflow: visible; }
.scrollable-table thead th {
  position: sticky;
  top: 0;
  background: var(--bg-secondary);
  z-index: 1;
}
/* 포지션 테이블 컬럼 너비 고정 */
.trades-section table {
  table-layout: auto;
  width: 100%;
}
.trades-section table th {
  white-space: nowrap;
  font-size: 12px;
}
.trades-section table td {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* ─── Mobile card layout ─── */
.desktop-only { display: block; }
.mobile-only { display: none; }
.m-trade-list, .m-pos-list { display: none; }

@media (max-width: 768px) {
  .desktop-only { display: none !important; }
  .mobile-only { display: block !important; }

  .header { padding: 10px 12px; gap: 8px; }
  .header h1 { font-size: 15px; }
  .container { padding: 12px; }
  nav { padding: 0 8px; overflow-x: auto; -webkit-overflow-scrolling: touch; }
  nav button { padding: 8px 10px; font-size: 12px; white-space: nowrap; }
  .section-title { font-size: 14px; }
  .section-sub-title { font-size: 12px; }

  /* Mobile strategy card */
  .m-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 14px;
    margin-bottom: 10px;
  }
  .m-card-header {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 10px;
  }
  .m-card-header .strategy-badge {
    font-size: 12px;
    max-width: calc(100% - 100px);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    cursor: pointer;
  }
  .m-card-header .strategy-badge.expanded {
    white-space: normal;
    word-break: break-all;
    max-width: none;
  }
  .m-card-header .return-pill {
    margin-left: auto;
    font-size: 13px;
    padding: 3px 10px;
  }
  .m-card-body {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 6px 16px;
  }
  .m-card-row {
    display: flex;
    justify-content: space-between;
    font-size: 12px;
    padding: 2px 0;
  }
  .m-card-row .m-label {
    color: var(--text-secondary);
  }
  .m-card-row .m-value {
    font-weight: 600;
    text-align: right;
  }
  .m-card-footer {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-top: 10px;
    padding-top: 8px;
    border-top: 1px solid var(--border);
    font-size: 11px;
    color: var(--text-secondary);
  }
  .m-card-footer .toggle-switch {
    margin-left: auto;
  }

  /* Mobile trade card */
  .m-trade-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 12px;
    margin-bottom: 8px;
  }
  .m-trade-header {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 8px;
  }
  .m-trade-header .m-trade-asset {
    font-weight: 600;
    font-size: 13px;
  }
  .m-trade-header .m-trade-pnl {
    margin-left: auto;
    font-weight: 700;
    font-size: 13px;
  }
  .m-trade-body {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4px 12px;
    font-size: 11px;
  }
  .m-trade-body .m-label { color: var(--text-secondary); }
  .m-trade-body .m-value { text-align: right; font-weight: 500; }

  /* Mobile position card */
  .m-pos-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 12px;
    margin-bottom: 8px;
  }
  .m-pos-header {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 8px;
  }
  .m-pos-body {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4px 12px;
    font-size: 12px;
  }
  .m-pos-body .m-label { color: var(--text-secondary); }
  .m-pos-body .m-value { text-align: right; font-weight: 500; }

  /* Trade history & positions on mobile: hide tables, show card lists */
  .trades-section { padding-left: 8px; border-left-width: 2px; }
  .trades-section .scrollable-table { display: none; }
  .trades-section table:not(.scrollable-table table) { display: none; }
  .trades-section .m-trade-list,
  .trades-section .m-pos-list { display: block; }

  /* Plotly charts responsive */
  .chart-container { padding: 8px; }
  #equity-chart { height: 280px !important; }
}